Why is the red light chosen as the stop signal?



The author posted a question in Golden find

Why is the red light chosen as the stop signal? and got a better answer

Response from

Response from 0[+++++]
The effect on the eye is taken into account.

Response from 0[+++++]
WHY ARE WE NOT BOYS? but seriously, red light is less scattered.

Response from 0[++]
<a href=http://otvet.mail.ru/question/5790298/>http://otvet.mail.ru/question/5790298/ ссылка;

Response from 0[+]
Red is taken from nature. Means danger. For example, spider bugs that can't defend themselves otherwise are red. Ladybugs.

Response from 0[++]
It all depends on the wavelength. Red is the first color in the spectral layout. It raeches on it faster than other colors of course if a person is not color blind.

 

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